package com.itheima.reggie.controller;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.itheima.reggie.common.R;
import com.itheima.reggie.entity.User;
import com.itheima.reggie.service.UserService;
import com.itheima.reggie.utils.SMSUtils;
import com.itheima.reggie.utils.ValidateCodeUtils;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

import javax.net.ssl.HttpsURLConnection;
import javax.servlet.http.HttpSession;
import java.util.Map;
import java.util.concurrent.TimeUnit;

@RestController
@RequestMapping("/user")
@Slf4j
public class UserController {

    @Autowired
    private UserService userService;

    @Autowired
    private RedisTemplate redisTemplate;

    @PostMapping("/sendMsg")
    public R<String> sendMsg(@RequestBody User user, HttpSession session){
        //获取手机号
        String phone=user.getPhone();

        if(StringUtils.isNotEmpty(phone)){
            //生成随机的4位验证码
            String code= ValidateCodeUtils.generateValidateCode(4).toString();
            log.info("code={}",code);

            //调用阿里云提供的短信服务API完成发送短信
//            SMSUtils.sendMessage("瑞吉外卖","SMS_460950179",phone,code);

            //需要将生成的验证码保存到Session中
//            session.setAttribute(phone,code);
            //设置redis缓存验证码5分钟
            redisTemplate.opsForValue().set(phone,code,5, TimeUnit.MINUTES);

            return R.success("手机验证码短信发送成功");
        }

        return R.error("短信发送失败");
    }

    /**
     * @description:移动端用户登录
     * @author: yanhongwei
     * @date: 2023/5/27 15:16
     * @param: [map, httpsURLConnection]
     * @return: com.itheima.reggie.common.R<com.itheima.reggie.entity.User>
     **/
    @PostMapping("/login")
    public R<User> login(@RequestBody Map map, HttpSession session){
        log.info(map.toString());
        
        //获取手机号
        String phone = map.get("phone").toString();
        
        //获取验证码
        String code = map.get("code").toString();
        
        //从Session中获取保存的验证码
//        Object codeInSession = session.getAttribute(phone);

        //从缓存redis从获取验证码数据
        Object codeInSession = redisTemplate.opsForValue().get(phone);

        //进行验证码的对比（页面提交的验证码和Session中保存的验证码比对）
        if(codeInSession!=null && codeInSession.equals(code)){
            //如果能比对成功，说明登录成功

            LambdaQueryWrapper<User> queryWrapper=new LambdaQueryWrapper();
            queryWrapper.eq(User::getPhone,phone);

            User user=userService.getOne(queryWrapper);
            if(user==null){
                //判断当前手机号对应的用户是否为新用户
                user=new User();
                user.setPhone(phone);
                user.setStatus(1);

                userService.save(user);
            }

            session.setAttribute("user", user.getId());

            //删除验证码缓存
            redisTemplate.delete(phone);

            return R.success(user);
        }

        return R.error("登录失败");

    }

}
